USGS Water-Year Summary for Site 06036905

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	Available Parameters
	00010 Temperature, water(Max.,Min.,Mean)
	00060 Discharge(Mean)
	00095 Specific cond at 25C(Max.,Min.,Mean)

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Water year 2024: 2024-10-01 to 2025-09-30

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USGS Water-Year Summary 2024

06036905 FIREHOLE RIVER NEAR WEST YELLOWSTONE, MT

LOCATION - Lat 44°37'12.66", long 110°51'48.61" referenced to North American Datum of 1983, Park County, WY, Hydrologic Unit 10020007, Yellowstone National Park, on right bank 1.6 mi south of Madison Junction, 12 mi east of West Yellowstone, and at river mile 1.8.

DRAINAGE AREA - 261 mi².

REVISIONS HISTORY - WDR MT-2013: Drainage area.

SURFACE-WATER RECORDS

PERIOD OF RECORD - October 1983 to March 1996, October 2002 to current year.

GAGE - Water-stage recorder. Elevation of gage is 7,050 ft, referenced to the North American Vertical Datum of 1988.

REMARKS - No regulation or diversions occur upstream from station.

WATER-QUALITY RECORDS

PERIOD OF RECORD - Water years 1983 to 1993, October 2002 to current year.

PERIOD OF DAILY RECORD -

SPECIFIC CONDUCTANCE: August 1983 to September 1986, October 1987 to September 1988, May to 
September 2010, May 2014 to October 2018.
WATER TEMPERATURE: October 1983 to September 1993, October 2002 to current year.

INSTRUMENTATION - Water temperature recorder was installed Sept. 18, 2002. Specific Conductance monitor was installed May 14, 2014.

REMARKS -

EXTREMES FOR PERIOD OF DAILY RECORD -

SPECIFIC CONDUCTANCE: Maximum 662 microsiemens per centimeter (uS/cm) at 25.0°C, September 13, 2016; 
minimum 29 uS/cm at 25.0°C, February 10, 2017.

WATER TEMPERATURE: Maximum, 30.0°C, June 24, 1988, July 5, 2007, June 29, 2016; minimum, 0.5°C Dec. 21, 1990.

EXTREMES FOR CURRENT YEAR - WATER TEMPERATURE: Maximum, 28.1°C, July 8; minimum, 2.5°C, Feb. 6. SPECIFIC CONDUCTIVITY: Maximum recorded 512 microsiemens per centimeter (uS/cm) at 25.0°C, September 27, 2014; minimum recorded 111 uS/cm at 25.0°C, May 27, 2014.